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Lymphadenopathy



Name of Symptom/Sign:
Lymphadenopathy
Classifications and external resources
ICD-10 I88., L04., R59.1
ICD-9 289.1-289.3, 683, 785.6
DiseasesDB 22225
eMedicine ped/1333 
MeSH D008206

Lymphadenopathy is a term meaning "disease of the lymph nodes."

When the infection is of the lymph nodes themselves, it is called lymphadenitis, but when the infection is of the lymph channels, it is called lymphangitis.

Contents

Associated conditions

Enlarged lymph nodes are a common symptom in a number of infectious and cancerous diseases. It is a recognized symptom of many diseases, which include:

  • immunocompromised etiology: AIDS. Generalized lymphadenopathy is an early sign of infection with human immunodeficiency virus (HIV), the virus that causes acquired immunodeficiency syndrome (AIDS). "Lymphadenopathy syndrome" has been used to describe the first symptomatic stage of HIV progression, preceding AIDS-related complex and full-blown AIDS.[1]

Patterns of Benign (Reactive) Lymphadenopathy

There are three distinct patterns of benign lymphadenopathy:

  • Follicular hyperplasia. Seen in infections, autoimmune disorders, and nonspecific reactions.
  • Paracortical hyperplasia. Seen in viral infections, skin diseases, and nonspecific reactions.
  • Sinus histiocytosis. Seen in lymph nodes draining limbs, inflammatory lesions, and malignancies.

Bihilar lymphadenopathy

Bihilar lymphadenopathy is a radiographic term that describes the enlargement of mediastinal lymph nodes. It is easily and most commonly identified by a chest x-ray. The causes can divide into the four commonest:

Less common causes include:

References

  1. ^ Chris Jennings (1993). Understanding and Preventing AIDS: A Book for Everyone.
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Lymphadenopathy". A list of authors is available in Wikipedia.
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